CN109615978A - A kind of electronic music teaching aid - Google Patents
A kind of electronic music teaching aid Download PDFInfo
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- CN109615978A CN109615978A CN201811462414.0A CN201811462414A CN109615978A CN 109615978 A CN109615978 A CN 109615978A CN 201811462414 A CN201811462414 A CN 201811462414A CN 109615978 A CN109615978 A CN 109615978A
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- fixedly connected
- teaching aid
- music teaching
- bottom plate
- springs
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B15/00—Teaching music
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Entrepreneurship & Innovation (AREA)
- Toys (AREA)
Abstract
The invention belongs to music teaching technical field, specifically a kind of electronic music teaching aid, including pedestal and PLC controller, PLC controller are used to control the work of Music teaching aid；The upper end of the pedestal is fixed with cabinet；The box house is equipped with motor and lifting unit.By the way that lifting unit is arranged, on the one hand, gone up and down by scissors mechanism, avoid shaking in Music teaching aid height adjustment, to guarantee the stability in Music teaching aid height adjustment；On the other hand, the gas that No.1 air bag generates is acted on into No.1 cylinder, for controlling the opening and closing of scissors mechanism, avoids increasing additional power source, to improve the utilization rate of resource.
Description
Technical field
The invention belongs to music teaching technical field, specifically a kind of electronic music teaching aid.
Background technique
The referred to as electric sound of electronic music or electronics are happy.In the broadest sense, as long as all may be used using the music that electronic equipment is created
Belong to it.It is any with electric sound caused by electronic synthesizer, effect device, computer music software and the drum virtual musical instruments such as machine, all
It can be reasonably described as electronic music.But before learning electronic music, need to itself and all kinds of virtual softwares of music
Operation carries out course teaching, and teacher will be explained in a manner of the giving lessons of plate face, but existing electronic music teaching aid
Structure is simple, and teacher can not carry out prediction arrangement giving lessons, so that the efficiency when giving lessons substantially reduces, and existing teaching
Teaching aid is not easy to operate, and makes troubles to teaching efficiency.
Summary of the invention
In order to make up for the deficiencies of the prior art, highly automated adjusting is solved the problems, such as；The invention proposes a kind of electronics sounds
Happy teaching aid.
The technical solution adopted by the present invention to solve the technical problems is: a kind of electronic music teaching aid of the present invention,
Including pedestal and PLC controller, PLC controller is for controlling Music teaching aid work；The upper end of the pedestal is fixed with cabinet；Institute
Box house is stated equipped with motor and lifting unit, motor one end is connected in box baseplate, and the motor other end and lifting unit are solid
Even；The lifting unit includes scissors mechanism, No.1 cylinder, No.1 plate, No. two plates, No.1 bar, No.1 air bag and cam；It is described
One end in scissors mechanism is hinged on No.1 plate, and a stabilizer blade of scissors mechanism can be slided with respect to No.1 plate, scissors mechanism
One stabilizer blade of the other end is hinged on No. two plates, and another underlying stabilizer blade of scissors mechanism and No. two plate sliding hinges
It connects, to guarantee that scissors mechanism can work normally；For the flexible of scissors mechanism, No.1 cylinder is connected in be cut the No.1 cylinder
It pitches in mechanism in adjacent stems；No.1 bar one end is connected No.1 plate, and the No.1 bar other end is fixed with positioning seat, No.1 bar and case
The contact position of body is threadedly coupled；The cam is set on motor output shaft；No.1 air bag one end and wall box are connected,
The No.1 air bag other end and cam contact, cam rotation squeeze No.1 air bag, and the gas of No.1 air bag bulging acts on No.1 gas
Cylinder；The positioning seat is located at outside cabinet, and the inside of positioning seat is equipped with rotation slot, and movable sleeve is connected to disk on the inside of rotation slot, turns
Dynamic slot inner top side is fixedly connected with No.1 spring, and the No.1 spring other end is fixedly connected with dummy block, and the lower end of dummy block is tight
Paste the upper surface of disk；The upper end of the disk is fixedly connected with universal driving shaft；The upper end of the universal driving shaft is fixedly connected with turntable；
Inside one end of the positioning seat is equipped with groove, and the inside lower end of groove is fixedly connected with No. two springs, the upper end of No. two springs
It is fixedly connected with bayonet lock；Circular hole is equipped with inside the turntable, turntable upper end is fixedly connected with support column；The interior sideslip of the circular hole
The surface of dynamic socket bayonet lock；Cross bar is fixedly connected on the outside of the support column；The other end of the cross bar is fixedly connected with bottom
Plate；The inside of the bottom plate is equipped with strip-shaped hole；The inside both ends of the strip-shaped hole are fixedly connected to sliding slot, the interior sideslip of sliding slot
It is dynamic to be connected with idler wheel；The inner upper end of the bottom plate, which is equipped with, to be prevented being disengaged from the groove, and the anti-inside movable sleeve being disengaged from the groove is connected to anticreep piece；It is described anti-
The lower end of disk stripping is fixedly connected with threaded rod；The interior lower end of the bottom plate is equipped with axis hole, the inside pivot bush unit screw thread of axis hole
The surface of bar；The lower end of the threaded rod is fixedly connected with knob, and the surface of threaded rod is threaded with thread bush；The screw thread
The two sides of set pass through axis connection idler wheel, are fixedly connected with locating rod on the outside of thread bush；The other end of the locating rod is fixed
It is connected with ball；The positive axis connection of the bottom plate is magnetic blank.The present invention passes through setting lifting unit, on the one hand, passes through
Scissors mechanism is gone up and down, and avoids shaking in Music teaching aid height adjustment, to guarantee in Music teaching aid height adjustment
Stability；On the other hand, the gas that No.1 air bag generates is acted on into No.1 cylinder, for control scissors mechanism opening and
It closes, avoids increasing additional power source, to improve the utilization rate of resource.
Preferably, the No.1 air bag is oval air bag；No.1 air bag is equipped with oval gas by setting by the present invention
Capsule increases the contact area between cam, so that cam and the effect of No.1 air bag generate gas, to improve electronic music
The practicability of teaching aid.
Preferably, the circular hole quantity and bottom plate quantity are divided into six, and the position of circular hole and backplate surface interposition
It sets corresponding.The present invention, so that bayonet lock quickly enters in circular hole, is made by the way that circular hole quantity and bottom plate quantity are set as six
The rotation for obtaining angle is fixed, to improve the practicability of Music furniture.
Preferably, the support column is open tubular column, and open tubular column is for mitigating weight；Support column is set as hollow by the present invention
Column alleviates Music teaching aid overall weight by open tubular column, Music teaching aid is easily moved, to improve music
The practicability of teaching aid.
Preferably, the initial angle of the magnetic white board and bottom plate is 45 °.The present invention is by by magnetic white board and bottom plate
Initial angle is set as 45 °, avoids the adjusting that height is influenced under unused state, to improve the practicability of Music teaching aid.
Preferably, the outside of the bayonet lock is equipped with cleaning block, and cleaning block is for clearing up groove.By using Music teaching aid into
In row teaching, has dust and be adhered in circular hole, to influence clamping；The present invention is by setting cleaning block, by clearing up block pair
Circular hole is cleared up, so that bayonet lock and circular hole cooperation avoid rotating, to improve the cleannes of circular hole.
Preferably, wire cross sectional is circular ring shape in the No.1 spring, No. two springs and No. three springs, for increasing one
The flexibility of number spring, No. two springs and No. three springs.The present invention is by by steel wire in No.1 spring, No. two springs and No. three springs
Cross section is set as circular ring shape, the flexibility and intensity of No.1 spring, No. two springs and No. three springs is improved, to improve No.1
The service life of spring, No. two springs and No. three springs.
Beneficial effects of the present invention are as follows:
1. a kind of electronic music teaching aid of the present invention can carry out overall structure according to the case where student seat distribution
The adjusting of height, and lecture contents can be arranged in advance on four magnetic white boards, when it is upper after class, can according to need into
Conversion between four magnetic white boards of row improves efficiency of giving lessons.
2. a kind of electronic music teaching aid of the present invention, pass through setting lifting unit, on the one hand, by scissors mechanism into
Row lifting, avoids shaking in Music teaching aid height adjustment, to guarantee the stability in Music teaching aid height adjustment；Separately
On the one hand, the gas that No.1 air bag generates is acted on into No.1 cylinder, for controlling the opening and closing of scissors mechanism, avoids increasing
Add additional power source, to improve the utilization rate of resource.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is main view of the invention；
Fig. 2 is positioning seat schematic diagram of internal structure of the present invention；
Fig. 3 is circular hole distribution schematic diagram of the present invention；
Fig. 4 is cross bar distribution schematic diagram of the present invention；
Fig. 5 is baseplate internal structure schematic diagram of the present invention；
Fig. 6 is magnetic white board of the present invention and thread bush connection schematic diagram；
In figure: pedestal 1, circular hole 11, cabinet 2, lifting unit 3, scissors mechanism 31, No.1 cylinder 32, No.1 plate 33, two
Plate 34, No.1 bar 35, No.1 air bag 36, cam 37, positioning seat 38, rotation slot 381, disk 382, No.1 spring 383, universal driving shaft
384,385, No. two springs 386 of turntable, bayonet lock 387, cleaning block 388, support column 4, cross bar 41, bottom plate 42, anti-be disengaged from the groove 421, be anti-
Flake 422,423, No. three springs 424 of magnetic white board, strip-shaped hole 43, locating piece 44, lath 45, threaded rod 6, knob 61, positioning
Bar 62, ball 63, idler wheel 64.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in Figures 1 to 6, a kind of electronic music teaching aid of the present invention, including pedestal 1 and PLC controller, PLC
Controller is for controlling Music teaching aid work；The upper end of the pedestal 1 is fixed with cabinet 2；Inside the cabinet 2 be equipped with motor and
Lifting unit 3, motor is electrically connected with PLC controller, and motor is connected on cabinet 2, and motor output end and lifting unit 3 are connected；
The lifting unit 3 includes scissors mechanism 31, No.1 cylinder 32, No.1 plate 33, No. two plates 34, No.1 bar 35, No.1 air bags 36
With cam 37；One end in the scissors mechanism 31 is hinged on No.1 plate 33, and a stabilizer blade of scissors mechanism 31 can be opposite
No.1 plate 33 slides, and a stabilizer blade of 31 other end of scissors mechanism is hinged on No. two plates 34, and scissors mechanism 31 is located below
Another stabilizer blade and No. two plates 34 it is slide hinged, to guarantee that scissors mechanism 31 can work normally；The No.1 cylinder 32 is used
In the flexible of scissors mechanism 31, No.1 cylinder 32 is connected in scissors mechanism 31 in adjacent stems；Described 35 one end of No.1 bar is connected
No.1 plate 33,35 other end of No.1 bar are fixed with positioning seat 38, and No.1 bar 35 is threadedly coupled with the contact position of cabinet 2；It is described convex
Wheel 37 is set on motor output shaft；Described 36 one end of No.1 air bag and 2 side wall of cabinet are connected, 36 other end of No.1 air bag with it is convex
37 contact of wheel, the rotation of cam 37 squeeze No.1 air bag 36, and the gas that No.1 air bag 36 bloats acts on No.1 cylinder 32；It is described fixed
Position seat 38 is located at outside cabinet 2, and the inside of positioning seat 38 is equipped with rotation slot 381, and 381 inside movable sleeve of rotation slot is connected to disk
382,381 inner top side of rotation slot is fixedly connected with No.1 spring 383, and 383 other end of No.1 spring is fixedly connected with dummy block,
It is close to the upper surface of disk 382 in the lower end of dummy block；The upper end of the disk 382 is fixedly connected with universal driving shaft 384；The linkage
The upper end of axis 384 is fixedly connected with turntable 385；Inside one end of the positioning seat 38 is equipped with groove, and the inside lower end of groove is solid
Surely No. two springs 386 are connected with, the upper end of No. two springs 386 is fixedly connected with bayonet lock 387；Circle is equipped with inside the turntable 385
Hole 11,385 upper end of turntable are fixedly connected with support column 4；The inside of the circular hole 11 is slidably socketed the surface of bayonet lock 387；It is described
The outside of support column 4 is fixedly connected with cross bar 41；The other end of the cross bar 41 is fixedly connected with bottom plate 42；The bottom plate 42
Inside is equipped with strip-shaped hole 43；The inside both ends of the strip-shaped hole 43 are fixedly connected to sliding slot, slidably connect on the inside of sliding slot
Idler wheel 64；The inner upper end of the bottom plate 42, which is equipped with, prevents being disengaged from the groove 421, prevents that the inside movable sleeve for being disengaged from the groove 421 is connected to anticreep piece 422；
The lower end of the anti-disk stripping is fixedly connected with threaded rod 6；The interior lower end of the bottom plate 42 is equipped with axis hole, the inside activity of axis hole
It is socketed the surface of threaded rod 6；The lower end of the threaded rod 6 is fixedly connected with knob 61, and the surface of threaded rod 6 is threaded with spiral shell
Line set 39；The two sides of the thread bush 39 pass through axis connection idler wheel 64, and the outside of thread bush 39 is fixedly connected with locating rod 62；
The other end of the locating rod 62 is fixedly connected with ball 63；The positive axis connection of the bottom plate 42 is magnetic blank 423.This hair
It is bright to pass through setting lifting unit 3, on the one hand, to be gone up and down by scissors mechanism 31, avoid sending out in Music teaching aid height adjustment
It is raw to shake, to guarantee the stability in Music teaching aid height adjustment；On the other hand, gas No.1 air bag 36 generated acts on
In No.1 cylinder 32, for controlling the opening and closing of scissors mechanism 31, avoid increasing additional power source, to improve money
The utilization rate in source.
As one embodiment of the present invention, the No.1 air bag 36 is oval air bag；The present invention will by setting
No.1 air bag 36 is equipped with oval air bag, increases the contact area between cam 37, so that cam 37 and No.1 air bag 36 are made
With gas is generated, to improve the practicability of electronic music teaching aid.
As one embodiment of the present invention, 11 quantity of circular hole and 42 quantity of bottom plate are divided into six, and circular hole
11 position is corresponding with 42 surface middle position of bottom plate.The present invention is by being set as six for 11 quantity of circular hole and 42 quantity of bottom plate
It is a, so that bayonet lock 387 quickly enters in circular hole 11, so that the rotation of angle is fixed, to improve Music furniture
Practicability.
As one embodiment of the present invention, the support column 4 is open tubular column, and open tubular column is for mitigating weight；This hair
It is bright that support column 4 is set as open tubular column, Music teaching aid overall weight is alleviated by open tubular column, enable Music teaching aid easily
It moves, to improve the practicability of Music teaching aid.
As one embodiment of the present invention, the initial angle of the magnetic white board 423 and bottom plate 42 is 45 °.This hair
It is bright by the way that the initial angle of magnetic white board 423 and bottom plate 42 is set as 45 °, avoid the tune that height is influenced under unused state
Section, to improve the practicability of Music teaching aid.
As one embodiment of the present invention, the outside of the bayonet lock 387 is equipped with cleaning block 388, and cleaning block 388 is used for
Clear up groove.In being imparted knowledge to students by using Music teaching aid, has dust and be adhered in circular hole 11, to influence clamping；This hair
It is bright that block 388 is cleared up by setting, circular hole 11 is cleared up by clearing up block 388, so that bayonet lock 387 and the cooperation of circular hole 11 avoid
It rotates, to improve the cleannes of circular hole 11.
As one embodiment of the present invention, steel in 383, No. two springs 386 of the No.1 spring and No. three springs 424
Silk cross section is circular ring shape, for increasing the flexibility of 383, No. two springs 386 and No. three springs 424 of No.1 spring.The present invention is logical
It crosses and wire cross sectional in 383, No. two springs 386 of No.1 spring and No. three springs 424 is set as circular ring shape, improve No.1 spring
383, the flexibility and intensity of No. two springs 386 and No. three springs 424, to improve 383, No. two 386 and of spring of No.1 spring
The service life of No. three springs 424.
When work, according to the actual situation, Music teaching aid is adjusted；When the height deficiency of Music teaching aid, at this point,
PLV controller driving motor, motor band moving cam 37 and No. two plates 34 rotate；In the rotation of cam 37, cam 37 squeezes No.1
Air bag 36, No.1 air bag 36 are squeezed outside air-blowing, and the gas of bulging transfers to No.1 cylinder 32；When gas transfers to No.1 cylinder 32
When, No.1 cylinder 32 stretches, so that scissors mechanism 31 stretches；Since No.1 bar 35 is threadedly coupled with the contact position of cabinet 2, so that
35 side of No.1 bar moves upwards, Bian Xuanzhuan；When the height adjustment of Music teaching aid is to suitable position, stop defeated to No.1 cylinder 32
It supplies gas body, so that Music teaching aid maintains the position of adjusting；When the excessive height of Music teaching aid, at this point, it is driven in the reverse direction motor,
It is acted on by lifting unit 3, so that 35 side of No.1 bar moves downward, Bian Xuanzhuan；In the adjusting of Music teaching aid position, pass through one
Mutual cooperation number between spring 383 and protective pad guarantees the stability of Music teaching aid lifting；When needing to carry out four pieces of magnetic white boards
When 423 conversion, turntable 385 is rotated, turntable 385 is enabled to drive disk 382 in the inside of rotating bar slot by interlocking bar
Rotation guarantees the stability of rotation, when the position of circular hole 11 and the position of bayonet lock 387 to it is corresponding when bayonet lock 387 can pass through No. two bullets
The reset response of spring 386 enters in circular hole 11, and the rotation of angle is fixed；When need to magnetic white board 423 into
When the adjusting of row angle, threaded rod 6 is rotated using knob 61, threaded rod 6 rotates so that 39 activity of thread bush, cooperation idler wheel 64 exist
Sliding limits thread bush 39 in sliding slot, enables thread bush 39 with locating rod vertical shift, anti-disk stripping is in anticreep
An anticreep effect is played in rotation in slot 421, and locating rod vertical shift is able to drive ball 63 in the interior Slideslip of arc groove, makes
Magnetic white board 423 can be jacked up the overturning for carrying out angle by obtaining locating rod 62, when needs are in the front clamping five of magnetic white board 423
When line spectrum or drawing, by lath pull-up, enables resetting block to stretch No. three springs 424, then put staff or drawing
Lath is unclamped in the corresponding position on the inside of lath, and No. three springs 424 reset, enable lath to staff and drawing into
Row clamps.
Above-mentioned front, back, left, right, up, down is mark according to personage's observation visual angle on the basis of Fig. 1 in Figure of description
Standard, device surface are defined as a left side on the left of observer to before being defined as on one side of observer, and so on.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
The limitation of range.
Finally it is noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, the essence for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
Mind and range.Every other embodiment obtained by those of ordinary skill in the art without making creative efforts,
It shall fall within the protection scope of the present invention.
Claims (7)
1. a kind of electronic music teaching aid, it is characterised in that: including pedestal (1) and PLC controller, PLC controller is for controlling sound
Happy teaching aid work；The upper end of the pedestal (1) is fixed with cabinet (2)；Motor and lifting unit are equipped with inside the cabinet (2)
(3), motor one end is connected on cabinet (2) bottom plate, and the motor other end and lifting unit (3) are connected；Lifting unit (3) packet
Include scissors mechanism (31), No.1 cylinder (32), No.1 plate (33), No. two plates (34), No.1 bar (35), No.1 air bag (36) and convex
It takes turns (37)；One end in the scissors mechanism (31) is hinged on No.1 plate (33), and a stabilizer blade of scissors mechanism (31) can
Opposite No.1 plate (33) are slided, and a stabilizer blade of scissors mechanism (31) other end is hinged on No. two plates (34), and scissors mechanism
(31) another underlying stabilizer blade and No. two plates (34) are slide hinged, to guarantee that scissors mechanism (31) can work normally；
For the No.1 cylinder (32) for the flexible of scissors mechanism (31), No.1 cylinder (32) is connected in adjacent stems in scissors mechanism (31)
In；Described No.1 bar (35) one end is connected No.1 plate (33), and No.1 bar (35) other end is fixed with positioning seat (38), No.1 bar
(35) it is threadedly coupled with the contact position of cabinet (2)；The cam (37) is set on motor output shaft；The No.1 air bag (36)
One end and cabinet (2) side wall are connected, and No.1 air bag (36) other end is contacted with cam (37), and cam (37) rotation squeezes No.1 gas
The gas of capsule (36), No.1 air bag (36) bulging acts on No.1 cylinder (32)；The positioning seat (38) is located at cabinet (2) outside
The inside in portion, positioning seat (38) is equipped with rotation slot (381), and movable sleeve is connected to disk (382), rotation slot on the inside of rotation slot (381)
(381) inner top side is fixedly connected with No.1 spring (383), and No.1 spring (383) other end is fixedly connected with dummy block, is squeezed
It is close to the upper surface of disk (382) in the lower end of pad；The upper end of the disk (382) is fixedly connected with universal driving shaft (384)；It is described
The upper end of moving axis (384) is fixedly connected with turntable (385)；Inside one end of the positioning seat (38) be equipped with groove, groove it is interior
Side lower end is fixedly connected with No. two springs (386), and the upper end of No. two springs (386) is fixedly connected with bayonet lock (387)；The turntable
(385) internal to be equipped with circular hole (11), turntable (385) upper end is fixedly connected with support column (4)；The interior Slideslip of the circular hole (11)
It is socketed the surface of bayonet lock (387)；Cross bar (41) are fixedly connected on the outside of the support column (4)；The cross bar (41) it is another
End is fixedly connected with bottom plate (42)；The inside of the bottom plate (42) is equipped with strip-shaped hole (43)；The inside two of the strip-shaped hole (43)
End is fixedly connected to sliding slot, slidably connects idler wheel on the inside of sliding slot；The inner upper end of the bottom plate (42) is equipped with anti-be disengaged from the groove
(421)；The anti-inside movable sleeve for being disengaged from the groove (421) is connected to anticreep piece (422), and the lower end of anti-flake (422) is fixedly connected with
Threaded rod (6)；The interior lower end of the bottom plate (42) is equipped with axis hole, the surface of the inside pivot bush unit threaded rod (6) of axis hole, spiral shell
The lower end of rasp bar (6) is fixedly connected with knob (61), and the surface of threaded rod (6) is threaded with thread bush (39), thread bush
(39) two sides pass through axis connection idler wheel (64), and locating rod (62), locating rod are fixedly connected on the outside of thread bush (39)
(62) the other end is fixedly connected with ball (63)；The positive axis connection of the bottom plate (42) is magnetic blank (423)；Described turn
The bosom position of dynamic slot (381) is equipped with arc groove, wraps up ball (63) surface on the inside of arc groove；The magnetic white board
(423) two sides are equipped with locating slot inside upper end, and No. three springs (424), No. three springs are fixedly connected on the inside of locating slot
(424) other end is fixedly connected with resetting block (44), and resetting block (44) other end is fixedly connected with lath (45), in lath (45)
It is close to magnetic white board (423) surface in side.
2. a kind of electronic music teaching aid according to claim 1, it is characterised in that: the No.1 air bag (36) is ellipse
Air bag.
3. a kind of electronic music teaching aid according to claim 1, it is characterised in that: circular hole (11) quantity and bottom plate
(42) quantity is divided into six, and the position of circular hole (11) is corresponding with bottom plate (42) surface middle position.
4. a kind of electronic music teaching aid according to claim 1, it is characterised in that: the support column (4) is open tubular column, empty
Stem is for mitigating weight.
5. a kind of electronic music teaching aid according to claim 1, it is characterised in that: the magnetic white board (423) and bottom plate
(42) initial angle is 45 °.
6. a kind of electronic music teaching aid according to claim 1, it is characterised in that: the outside of the bayonet lock (387) is equipped with
It clears up block (388), cleaning block (388) is for clearing up circular hole (11).
7. a kind of electronic music teaching aid according to claim 1, it is characterised in that: the No.1 spring (383), No. two bullets
Wire cross sectional is circular ring shape in spring (386) and No. three springs (424), for increasing No.1 spring (383), No. two springs
(386) and the flexibility of No. three springs (424).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462414.0A CN109615978A (en) | 2018-12-03 | 2018-12-03 | A kind of electronic music teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462414.0A CN109615978A (en) | 2018-12-03 | 2018-12-03 | A kind of electronic music teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109615978A true CN109615978A (en) | 2019-04-12 |
Family
ID=66005743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811462414.0A Withdrawn CN109615978A (en) | 2018-12-03 | 2018-12-03 | A kind of electronic music teaching aid |
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| Country | Link |
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| CN (1) | CN109615978A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111311982A (en) * | 2019-12-02 | 2020-06-19 | 安徽工程大学 | Multimedia device convenient for teaching |
| CN111954413A (en) * | 2020-08-19 | 2020-11-17 | 上海稳奇电脑有限公司 | Automatic hot plug communication rack device of convenient placing |
-
2018
- 2018-12-03 CN CN201811462414.0A patent/CN109615978A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111311982A (en) * | 2019-12-02 | 2020-06-19 | 安徽工程大学 | Multimedia device convenient for teaching |
| CN111954413A (en) * | 2020-08-19 | 2020-11-17 | 上海稳奇电脑有限公司 | Automatic hot plug communication rack device of convenient placing |
| CN111954413B (en) * | 2020-08-19 | 2021-04-06 | 浙江德塔森特数据技术有限公司 | Automatic hot plug communication rack device of convenient placing |
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Application publication date: 20190412 |
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| WW01 | Invention patent application withdrawn after publication |